Products > Integrated Circuits (ICs) > Audio ICs > LC823450RAH-2H
LC823450RAH-2H 240-LFBGA
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LC823450RAH-2H

SOC ARM Cortex M3 CMOS 240-Pin LFBGA Tray

Manufacturer :
ON Semiconductor, LLC
Package/Case :
240-LFBGA
Product Categories :
Application Processors and SOC
Datasheet:
LC823450RAH-2H PDF
RoHs Status:
Pb-free Halide free
In-stock:
21840

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LC823450RAH-2H Product Details

LC823450RAH-2H is an ultra-low power, 32-bit, 192 kHz high-resolution audio-capable signal processing system-on-chip (SoC).It consists of dual ARM Cortex-M3, 32-bit DSP (LPDSP32) core, hard wired MP3 encoder/decoder, and integrated SRAM.It is also equipped with analog peripheral functionality, such as PLLs, class-D stereo HP amplifier, 6-band equalizer and ADCs/DACs.Our proprietary LPDSP32 supports Noise/Echo cancellation, and playback speed control capability for MP3, WMA, AAC and PCM with VBR.With fine-tuned power management and dedicated hard wired audio blocks, LC823450RAH-2H provides a significantly longer battery life without compromising audio quality, for voice recorders and wearable audio applications.

Feature

  • ARM® Cortex®-M3 Dual Core
  • Dual Core and DSP enables parallel processing.
  • I2S I/F with 16/24/32-bit, MAX 192 kHz (2-ch x 2) audio functions with 16/24/32-bit, MAX 192 kHz
  • High-Resolution Audio processing capability with 32-bit 192 kHz
  • Various original DSP codes for audio processing: MP3 codec, FLAC codec, Noise Cancel, Variable speed playback, etc.
  • Possible to reduce DSP codes development cost.Several DSP codes are available with no additional fee such as Noise cancel, Variable speed playback, etc.
  • Internal SRAM (1656K byte) for ARM® Cortex®-M3 Dual Core and original DSP
  • Large scale program can be implemented by large capacity memory.
  • Hard wired audio functions:
    • MP3 encoder and decoder
    • EQ (6-band equalizer)
    • ASRC (Asynchronous Sample Rate Converter)
  • MP3 encoder and decoder
  • EQ (6-band equalizer)
  • ASRC (Asynchronous Sample Rate Converter)
  • Low power audio processing by hard wired audio functions(Reference: 4 mA @128K bps, 44.1 kHz MP3 hardware playback)
  • Integrated analog functions:
    • low-power Class D HP amplifier
    • System PLL
    • dedicated audio PLL, ADC
  • low-power Class D HP amplifier
  • System PLL
  • dedicated audio PLL, ADC
  • PCB space and cost is reduced by Integrated analog functions.
  • Various interfaces:
    • USB2.0 HS device / host (not OTG)
    • eMMC
    • SD card
    • SPI, I2C
  • USB2.0 HS device / host (not OTG)
  • eMMC
  • SD card
  • SPI, I2C
  • Various functions (SBC/AAC codec with the DSP, UART, ASRC) contribute to Bluetooth®audio.
  • Oscillation controller to dynamically switch clock frequency
  • Switching clock frequency by oscillation controller reduces unnecessary power consumption.
  • ARM® Cortex®-M3 Dual Core and original DSP clock max frequency:
    • 160 MHz @1.2 V
    • 100 MHz @1.0 V
  • 160 MHz @1.2 V
  • 100 MHz @1.0 V
  • High processing capability with higher clock frequency.
  • 32-bit fixed point, dual-MAC original DSP optimized for audio processing
  • Cortex®-M3 Single Core power consumption: 0.11 mW/MHz @1.0 V

Applications

  • Audio Processing for Potable Audio
  • Audio Processing for Wireless Audio
  • Audio Processing for High-Resolution Audio
  • IC Recorders
  • Wireless headsets
  • Other porable audio devices
  • High Resolution Audio players
  • Wireless speakers

LC823450RAH-2H Pinout
(Picture: Pinout)

LC823450RAH-2H Block Diagram
(Picture: Diagram)

Technical Parameters

Function Audio Signal Processor Package / Case 240-LFBGA
Applications Consumer Audio Supplier Device Package 240-LFBGA (11x11)
Number of Channels 1

LC823450RAH-2H Documents

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2-5 days
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5-14 days
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